Package io.undertow.attribute
Class ConstantExchangeAttribute
- java.lang.Object
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- io.undertow.attribute.ConstantExchangeAttribute
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- All Implemented Interfaces:
ExchangeAttribute
public class ConstantExchangeAttribute extends java.lang.Object implements ExchangeAttribute
Exchange attribute that represents a fixed value- Author:
- Stuart Douglas
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Constructor Summary
Constructors Constructor Description ConstantExchangeAttribute(java.lang.String value)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
readAttribute(HttpServerExchange exchange)
Resolve the attribute from the HTTP server exchange.void
writeAttribute(HttpServerExchange exchange, java.lang.String newValue)
Sets a new value for the attribute.
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Method Detail
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readAttribute
public java.lang.String readAttribute(HttpServerExchange exchange)
Description copied from interface:ExchangeAttribute
Resolve the attribute from the HTTP server exchange. This may return null if the attribute is not present.- Specified by:
readAttribute
in interfaceExchangeAttribute
- Parameters:
exchange
- The exchange- Returns:
- The attribute
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writeAttribute
public void writeAttribute(HttpServerExchange exchange, java.lang.String newValue) throws ReadOnlyAttributeException
Description copied from interface:ExchangeAttribute
Sets a new value for the attribute. Not all attributes are writable.- Specified by:
writeAttribute
in interfaceExchangeAttribute
- Parameters:
exchange
- The exchangenewValue
- The new value for the attribute- Throws:
ReadOnlyAttributeException
- when attribute cannot be written
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